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Restructuring Charges (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Restructuring and Related Activities [Abstract]        
Pre tax restructuring charges $ 2.3 $ 0.0 $ 2.3 $ 0.0